Category: Parametric insurance · Reviewed by Jake Leat, Associate Director · Last reviewed 2026-06-10
Parametric crop insurance is a class of agricultural insurance under which the trigger is the value of an objectively measured agronomic or weather index — cumulative rainfall, growing-degree-days, area-yield, satellite-derived Normalized Difference Vegetation Index (NDVI) — rather than indemnity assessment of the policyholder’s actual crop loss. It is the principal form of agricultural insurance in sovereign disaster-risk-financing programmes and microinsurance schemes globally, including the African Risk Capacity, the Pacific Catastrophe Risk Assessment and Financing Initiative, and World Bank-supported facilities. The United Kingdom does not at present operate a domestic parametric crop scheme, but UK agribusinesses with overseas operations buy these products through London market parametric MGAs.
Category: Parametric insurance Also known as: Weather index crop insurance, area-yield insurance, agricultural parametric Established / Coined: Area-yield indices from the 1950s (USA); modern weather-index crop microinsurance from the early 2000s; IAIS Application Paper 2018 Related concepts: Parametric insurance, Index-based insurance, Basis risk parametric, Trigger event parametric
A parametric crop insurance contract pays on the value of one or more agronomic indices over a defined growing season. Common indices include: cumulative rainfall (mm) over a defined season at a defined reference station; growing-degree-days (cumulative degrees over a base temperature); area-yield index (the mean yield of a statistical area); and remote-sensing vegetation indices (NDVI, EVI, soil-moisture indices from Sentinel-1 SAR and Sentinel-2 optical platforms).
The contract structure typically provides a “exit” trigger (a clearly catastrophic value of the index, paying the full sum insured) and a “tier” structure (graduated payouts between strike and exit). Sums insured are typically scaled to input costs (seed, fertiliser, labour).
For UK-based agribusinesses purchasing parametric crop cover, the contract is insurance under FSMA 2000 (Regulated Activities) Order 2001 where the St Christopher test ([1974] 1 WLR 99) is met and insurable interest under Marine Insurance Act 1906 s.4 is present. Where the buyer is purely financial, the contract is a derivative.
The IAIS Application Paper on Index-Based Insurances in Inclusive Insurance Markets (June 2018) sets supervisory principles for jurisdictions hosting parametric crop microinsurance: basis risk disclosure, sound index governance, capital treatment, and conduct standards. The EIOPA Discussion Paper on parametric insurance (June 2023) addresses parametric crop in the context of Solvency II treatment and consumer protection.
The UK does not at present have a domestic parametric crop scheme equivalent to the US Federal Crop Insurance Corporation or the European Union’s Common Agricultural Policy risk management measures. UK arable and livestock producers have hitherto been served by indemnity hail and storm crop covers; Defra’s 2023 consultation “Managing risks in agriculture” did not propose a parametric scheme.
A UK agribusiness with operations in Kenya purchases a parametric drought cover for a coffee plantation. The trigger is cumulative rainfall below 200 mm at the nearest Kenya Meteorological Department station between March and June. The contract is placed by a London broker with a Lloyd’s coverholder, reinsured into a Lloyd’s syndicate. Settlement is within 21 days of the season closing against published KMD data.
For sovereign-level structures, African Risk Capacity (ARC) writes parametric drought cover for member states, using the Africa RiskView model run on CHIRPS satellite rainfall data. The World Bank’s Pacific Catastrophe Risk Assessment and Financing Initiative (PCRAFI) provides parametric cover to Pacific Island governments for tropical cyclone and earthquake.
Variations include: weather-station-based contracts (lower basis risk where stations are dense, higher where they are sparse); satellite-based contracts (lower basis risk where ground-truth correlation is high); area-yield contracts (used where reliable area-yield data exists, e.g. India’s PMFBY scheme); and hybrid contracts combining parametric quanta with indemnity drop-downs. The World Bank’s Global Index Insurance Facility (GIIF), established 2009, has supported pilots in over 30 emerging markets. UK and EU funded research (CGIAR’s CCAFS programme) has informed product design.
A UK-headquartered agribusiness with a 5,000-hectare maize operation in Zambia purchases a parametric drought cover from a London market parametric MGA, written on a Lloyd’s binder. The trigger is cumulative rainfall below 350 mm at three Zambia Meteorological Department reference stations between November and March. Tiers pay USD 50 per hectare at 350 mm down to USD 250 per hectare at 200 mm. Settlement is within 30 days of season-end. The agribusiness’s group risk committee minutes record that the contract is a hedge against drought-caused yield shortfall and is supplemental to a traditional property and hail indemnity policy.
This entry is part of the Apex Insurance Wiki. Last reviewed by Matt Bartlett on 2026-06-10. Next review: 2026-12-10.
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